@dazejs/framework/dist/provider/provider.js

Daze.js - A powerful web framework for Node.js

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Provider = void 0;
const path = __importStar(require("path"));
const symbol_1 = require("../symbol");
class Provider {
    constructor(app) {
        this.app = app;
    }
    async resolve(ProviderClass) {
        var _a, _b;
        if (!ProviderClass || this.app.has(ProviderClass))
            return;
        this.app.singleton(ProviderClass, ProviderClass);
        const provideMetaMap = (_a = Reflect.getMetadata(symbol_1.ProviderType.PROVIDE, ProviderClass)) !== null && _a !== void 0 ? _a : new Map();
        const providerOptions = (_b = Reflect.getMetadata(symbol_1.ProviderType.PROVIDER, ProviderClass)) !== null && _b !== void 0 ? _b : {};
        if (Array.isArray(providerOptions === null || providerOptions === void 0 ? void 0 : providerOptions.depends)) {
            for (const next of providerOptions.depends) {
                await this.resolve(next);
            }
        }
        if (provideMetaMap.has(ProviderClass) && !this.shouldProvideOnConfig(provideMetaMap.get(ProviderClass))) {
            return;
        }
        if (await this.needParse(ProviderClass)) {
            const providerInstance = this.app.get(ProviderClass);
            await this.performRegisterHook(providerInstance);
            this.registerLaunchHook(providerInstance);
            for (const [key, metadata] of provideMetaMap) {
                if (this.shouldProvideOnConfig(metadata)
                    && this.shouldProvideOnMissingProvider(metadata)
                    && this.shouldProvideOnProvider(metadata)) {
                    this.app.bind(metadata.provideName, providerInstance[key].bind(providerInstance), metadata.isShared, true);
                }
            }
            if (providerOptions === null || providerOptions === void 0 ? void 0 : providerOptions.componentScan) {
                for (const component of providerOptions.componentScan) {
                    if (path.isAbsolute(component)) {
                        await this.app.get('loader').scan(component);
                    }
                    else {
                        await this.app.get('loader').scan(path.resolve(this.app.rootPath, component));
                    }
                }
            }
        }
        if (Array.isArray(providerOptions === null || providerOptions === void 0 ? void 0 : providerOptions.imports)) {
            for (const next of providerOptions.imports) {
                await this.resolve(next);
            }
        }
    }
    async needParse(ProviderClass) {
        if (this.app.isCluster) {
            if (this.app.isMaster) {
                if (Reflect.getMetadata(symbol_1.ProcessType.ONLY_MASTER, ProviderClass) || Reflect.getMetadata(symbol_1.ProcessType.APPEND_MASTER, ProviderClass)) {
                    return true;
                }
            }
            if (this.app.isAgent) {
                if (Reflect.getMetadata(symbol_1.ProcessType.ONLY_AGENT, ProviderClass) || Reflect.getMetadata(symbol_1.ProcessType.APPEND_AGENT, ProviderClass)) {
                    return true;
                }
            }
            if (this.app.isWorker) {
                if (!Reflect.getMetadata(symbol_1.ProcessType.ONLY_MASTER, ProviderClass) && !Reflect.getMetadata(symbol_1.ProcessType.ONLY_AGENT, ProviderClass)) {
                    return true;
                }
            }
            return false;
        }
        else {
            return true;
        }
    }
    async performRegisterHook(provider) {
        if (Reflect.has(provider, 'register') && typeof provider.register === 'function') {
            await provider.register(this.app);
        }
    }
    registerLaunchHook(provider) {
        if (Reflect.has(provider, 'launch') && typeof provider.launch === 'function') {
            this.app.launchCalls.push(() => { var _a; return (_a = provider.launch) === null || _a === void 0 ? void 0 : _a.call(provider, this.app); });
        }
    }
    shouldProvideOnConfig(metadata) {
        if (!metadata || !metadata.onConfigKey)
            return true;
        return this.app.get('config').has(metadata.onConfigKey);
    }
    shouldProvideOnMissingProvider(metadata) {
        if (!metadata.onMissingProviderkey)
            return true;
        return !this.app.has(metadata.onMissingProviderkey);
    }
    shouldProvideOnProvider(metadata) {
        if (!metadata.onProviderKey)
            return true;
        return this.app.has(metadata.onProviderKey);
    }
}
exports.Provider = Provider;
//# sourceMappingURL=provider.js.map